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1.通過類class獲取
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<h1 class="important">
This heading is very important.
</h1>
<p class="important">
This paragraph is very important.
</p>
<p class="important warning">
This paragraph is a very important warning.
</p> -
1> 獲取class值為important的h1標簽
find_element_by_css_selector(h1.importane)
2>獲取所有class值為important的標簽find_element_by_css_selector(*.importane)或者find_element_by_css_selector(.importane)
3>獲取class值為important warning的標簽find_element_by_css_selector(.importane.warning)
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2通過id獲取
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首先,ID 選擇器前面有一個 # 號 - 也稱為棋盤號或井號
<
p
id="intro">This is a paragraph of introduction.</
p
>
find_element_by_css_selector(#"intro")
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3.屬性選擇器
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1>.
<
a
title="W3School Home" href="http://w3school.com.cn">W3School</
a
>
屬性中包含了title和href,
find_element_by_css_selector('a[title][href]')
2>
<
a
href="http://www.w3school.com.cn/about_us.asp">About W3School</
a
>
定位屬性中href="http://www.w3school.com.cn/about_us.asp"的元素,
find_element_by_css_selector('a[href="http://www.w3school.com.cn/about_us.asp"]')
3>
<
a
href="http://www.w3school.com.cn/" title="W3School">W3School</
a
>
通過href和title來定位
find_element_by_css_selector("a[href='http://www.w3school.com.cn/about_us.asp'][title='W3School']")
4>部分屬性定位
<
h1
>可以應用樣式:</
h1
>
<
img
title="Figure 1" src="/i/figure-1.gif" />
<
img
title="Figure 2" src="/i/figure-2.gif" />
<
hr
/>
<
h1
>無法應用樣式:</
h1
>
<
img
src="/i/figure-1.gif" />
<
img
src="/i/figure-2.gif" />
定位title中包含有figure的元素:
find_element_by_css_selector("image[title~='figure']")
5>其他
[abc^="def"] 選擇 abc 屬性值以 "def" 開頭的所有元素
[abc$="def"] 選擇 abc 屬性值以 "def" 結尾的所有元素
[abc*="def"] 選擇 abc 屬性值中包含子串 "def" 的所有元素 -
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4.后代選擇器
<
h1
>This is a <
em
>important</
em
> heading</
h1
>
<
p
>This is a <
em
>important</
em
> paragraph.</
p
>
find_element_by_css_selector("h1 em")
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